Home / 766,323.56-1,057,526.84-444,220.49

Finding the Fourth Proportional to 766,323.56, 1,057,526.84 and 444,220.49

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Solution

The fourth proportional to 766,323.56, 1,057,526.84 and 444,220.49 is: 613,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,323.56 : 1,057,526.84 = 444,220.49 : x
  2. Step 2: Convert to fraction form
    766,323.56/1,057,526.84 = 444,220.49/x
  3. Step 3: Cross multiply
    766,323.56x = 1,057,526.84 × 444,220.49
  4. Step 4: Simplify right side
    766,323.56x = 469,775,091,052.95
  5. Step 5: Solve for x
    x = 469,775,091,052.95/766,323.56
  6. Step 6: Final answer
    x = 613,024.47

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.